D06P 3/24
Polyamides
Official title: Polyamides; Polyurethanes
D06P3/24 (Polyamides) appears on 417 US grants and 237 published applications in this corpus.
Search patents in D06P- Granted patents
- 417
- Published applications
- 237
- Assignees
- 208
- Inventors
- 882
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 11 | 0 |
| 1978 | 16 | 0 |
| 1979 | 6 | 0 |
| 1980 | 13 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 9 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 11 | 0 |
| 1990 | 5 | 0 |
| 1991 | 12 | 0 |
| 1992 | 13 | 0 |
| 1993 | 11 | 0 |
| 1994 | 20 | 0 |
| 1995 | 13 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 19 | 0 |
| 1999 | 15 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 3 |
| 2002 | 7 | 11 |
| 2003 | 10 | 8 |
| 2004 | 5 | 11 |
| 2005 | 6 | 12 |
| 2006 | 6 | 2 |
| 2007 | 1 | 10 |
| 2008 | 6 | 15 |
| 2009 | 5 | 8 |
| 2010 | 4 | 9 |
| 2011 | 5 | 7 |
| 2012 | 6 | 4 |
| 2013 | 4 | 3 |
| 2014 | 3 | 13 |
| 2015 | 3 | 8 |
| 2016 | 2 | 5 |
| 2017 | 1 | 2 |
| 2018 | 5 | 11 |
| 2019 | 6 | 14 |
| 2020 | 8 | 18 |
| 2021 | 7 | 15 |
| 2022 | 12 | 16 |
| 2023 | 7 | 8 |
| 2024 | 8 | 10 |
| 2025 | 8 | 8 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- D06P 3/241Using acid dyes204
- D06P 3/248Using reactive dyes65
- D06P 3/26Using dispersed dyestuffs45
- D06P 3/242Using basic dyes39
- D06P 3/245Using metallisable or mordant dyes17
- D06P 3/243Using vat or sulfur dyes, indigo12
- D06P 3/246Using polymeric dyes5
- D06P 3/28Preparing azo dyes on the material3
All 9 subgroupsShow fewer
Recent patents
- Method for dyeing a hook-and-loop fastener strap1 Sep 2026US 12,723,348 B2Gottlieb Binder GmbH & Co.KG
- Process of dying polymer parts16 Jun 2026US 12,655,262 B2Howmedica Osteonics Corp.
- Metalized fabric that dissipates and scatters infrared light and methods or making and using the same12 May 2026US 12,624,498 B2Noble BioMaterials, Inc.
- Methods of imparting color to nylon substrates6 Jan 2026US 12,516,471 B1Southwire Company
- Dyeable fabric comprising melt-spun thermoplastic polyurethane fibers2 Sep 2025US 12,404,608 B2Lubrizol Advanced Materials, Inc.
- Polyamide fabrics with reduced carbon footprint on dyeing10 Sep 2026US 2026/0265995 A1Nilit Ltd.
- Method for dyeing suture material21 May 2026US 2026/0137829 A1Corza Medical, Inc.
- Chemical-resistant fabric23 Apr 2026US 2026/0110117 A1
- Method For Producing Transfer Medium And Transfer Recording Method16 Apr 2026US 2026/0103839 A1Seiko Epson Corporation
- Genetically modified host cells producing violacein, analogues, and derivatives thereof2 Apr 2026US 2026/0092179 A1
Most cited
By later US patents
- Process for conveniently providing stain-resistant polyamide carpets107US 4,501,591 AMonsanto Company · 1985
- Process for photochemical stabilization of polyamide fiber material and mixtures thereof with other fibers: water-soluble copper complex dye and light-stabilizer69US 4,874,391 ACiba-Geigy Corporation · 1989
- Process for photochemical stabilization of undyed and dyed polyamide fibre material and blends thereof with other fibres: copper complex and light stabilizer treatment68US 4,775,386 ACiba-Geigy Corporation · 1988
- Lightfastness of dyeings obtained with acid dyes or metal complex dyes on polyamides: treatment with copper hydroxamates59US 4,707,161 ABASF SE · 1987
- Lightfastness of dyeings obtained with acid dyes or metal complex dyes on polyamides58US 4,613,334 ABASF SE · 1986